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Nuclear war is an often-predicted cause of the extinction of humankind. [1]Human extinction or omnicide is the hypothetical end of the human species, either by population decline due to extraneous natural causes, such as an asteroid impact or large-scale volcanism, or via anthropogenic destruction (self-extinction), for example by sub-replacement fertility.
A global catastrophic risk or a doomsday scenario is a hypothetical event that could damage human well-being on a global scale, [2] even endangering or destroying modern civilization. [3] An event that could cause human extinction or permanently and drastically curtail humanity's existence or potential is known as an " existential risk ".
A survey of AI experts estimated that the chance of human-level machine learning having an "extremely bad (e.g., human extinction)" long-term effect on humanity is 5%. [18] A 2008 survey by the Future of Humanity Institute estimated a 5% probability of extinction by super-intelligence by 2100. [19]
Population bottleneck followed by recovery or extinction. A population bottleneck or genetic bottleneck is a sharp reduction in the size of a population due to environmental events such as famines, earthquakes, floods, fires, disease, and droughts; or human activities such as genocide, speciocide, widespread violence or intentional culling.
Doing her own end-of-life planning with human composting has given her a sense of peace. “This is something that moves me,” Cooley-Reyes told CNN. “I am going back into the earth, and I will ...
Earth's surface temperature will reach around 420 K (147 °C; 296 °F), even at the poles. [78] [94] 2.8 billion High estimate until all remaining Earth life goes extinct. [78] [94] 3–4 billion The Earth's core freezes if the inner core continues to grow in size, based on its current growth rate of 1 mm (0.039 in) in diameter per year.
How long can a human live? Jeanne Calment, the world’s oldest person, offers a ceiling of 122 years and 164 days. But researchers have pondered that the limit could be around 150 years, and ...
The study tracks trends in their death rates and life expectancy from 1990 to 2019, before the COVID-19 pandemic started. He says his projection doesn't mean that personal health choices are ...